Question

what is mean of solar day​

Answer 1

Answer:

A solar day is the time it takes for the Earth to rotate about its axis so that the Sun appears in the same position in the sky. ... Although a simple definition of a day is the time it takes for a planet, satellite or other celestial body to complete one rotation about its axis, two alternative definitions exist.

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Answer 2

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⟹ Solar day :-

• The time between two successive passages of the mean sun across the meridian at noon.
• It is equal to 24 hours 3 minutes and 56.555 seconds of mean sidereal time.
• Mean solar time is the hour angle of the mean Sun plus 12 hours.
• This 12 hour offset comes from the decision to make each day start at midnight for civil purposes whereas the hour angle or the mean sun is measured from the local meridian.